Home / 291,534.86-402,180.59-170,601.32

Finding the Fourth Proportional to 291,534.86, 402,180.59 and 170,601.32

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Solution

The fourth proportional to 291,534.86, 402,180.59 and 170,601.32 is: 235,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.86 : 402,180.59 = 170,601.32 : x
  2. Step 2: Convert to fraction form
    291,534.86/402,180.59 = 170,601.32/x
  3. Step 3: Cross multiply
    291,534.86x = 402,180.59 × 170,601.32
  4. Step 4: Simplify right side
    291,534.86x = 68,612,540,964.33
  5. Step 5: Solve for x
    x = 68,612,540,964.33/291,534.86
  6. Step 6: Final answer
    x = 235,349.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.